If you installed the nct6775 driver you should see it loaded with a lsmod command in terminal. It will be in the list. So simply removing it will get you back to where you started.

rmmod nct6775

You also need to look to see if the nct6775 module is loaded automatically now with an entry in the modules.conf file in the /etc/modules-load.d directory.

Also check for a nct6775.conf file in the /etc/modprobe.d directory and remove it.

rm nct6775.conf

But before doing that I would just edit this entry into the /etc/default/grub file in the kernel load line entry. Just put the acpi_enforce_resources=lax between the existing quotes on that line

GRUB_CMDLINE_LINUX_DEFAULT="acpi_enforce_resources=lax"

sudo update-grub

and reboot.

You should also edit the nct6775.conf file in the /etc/modprobe.d directory and remove the force_id=0xd352 entry in the file as the acpi_enforce_resources=lax entry in the grub file makes it unnecessary. That is how I load the nct6775 driver on my Intel host. If you do that, it will get rid of the errors and hanging system probably and you will have proper sensors output.
If not just do the first part of this post and remove the driver.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

I got through the night with OC button set at 3.7GHz and 32 tasks. Have bumped it to 3.9GHz this morning.

I THINK that I may have generated the crashing by setting an over clock feature to "enable" instead of "auto."

Many of the tasks seem to be running about 40 minutes but I can only be sure once they are at 70%+ because the "estimated time left" are all above 1 hour when the tasks start.

I got the DRAM calculator running on one of my Windows boxes. It looks to be massively complicated so there will be some studying while I figure out what I need to input to represent my TR2.

I have not yet had time to go "window shopping" for the ram upgrade I need to get this thing running at "full" speed.

That is the Thursday morning news........ :)

Tom (the sitting in his chair correspondent [as opposed to the "roving" correspondent])

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A proud member of the OFA (Old Farts Association).

Just watch the YT video on how to use the RAM calculator on the first page of the thread. The latest 1.40.1 versions is so simple I don't know how it could be called complicated. Just select the type of RAM you have, what your desired speed is, how many sticks and hit the R-XMP button. The settings for SAFE and FAST are displayed for their buttons and you simply input the timings into your memory section in your BIOS.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

Just watch the YT video on how to use the RAM calculator on the first page of the thread. The latest 1.40.1 versions is so simple I don't know how it could be called complicated. Just select the type of RAM you have, what your desired speed is, how many sticks and hit the R-XMP button. The settings for SAFE and FAST are displayed for their buttons and you simply input the timings into your memory section in your BIOS.

I see I was rushing to hard today. Missed the video. BBS (be back shortly).

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A proud member of the OFA (Old Farts Association).

You need to know the type of dies you have. Normally you use Thaiphoon Burner to examine the memory. But SIV shows the memory type too along with a couple other utilities. All Windows though unfortunately. Or find posts online from someone else using your exact memory kit that tells you which memory die you have. Or pull the heat spreaders off the sticks and look yourself at the die markings. That way you know whether to select Samsung, Hynix, Micron etc etc and which version, A ,B, C, D, CJR etc etc. Then follow the video instructions.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

Just two not so technical questions:
1) What would you prefer? Two computers with AMD Ryzen 7 2700X each or one computer based on a AMD Ryzen Threadripper 2950X? It seems to me, without doing any calculations, that the two 2700x are cheaper to buy as one 2950x. What do you think?
2) Not directly related, but asking myself for some time now: I have to replace the computer of one of my co-workers: What would you choose? AMD Ryzen 3 2200G/2400G over an AMD Ryzen 5 2600 with a GeForce 8600 GT (The video card is already build in the old computer, and does no work for BOINC)
It shall be a cheapest possible solution, as I have learned over the years; I shoued not trouble my people with my BOINC addiction. That is the reason for my first question.

The 2 X Ryzen platform would be cheaper than the single Threadripper platform simply because of the higher costs of memory, cpu and motherboards for Threadripper

The Ryzen 2600 with the donated Geforce 8600 GT video card because if the system does no BOINC or gaming, it would be cheaper and provide a better overall computing platform.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

The 2 X Ryzen platform would be cheaper than the single Threadripper platform simply because of the higher costs of memory, cpu and motherboards for Threadripper

The Ryzen 2600 with the donated Geforce 8600 GT video card because if the system does no BOINC or gaming, it would be cheaper and provide a better overall computing platform.

Thanks for the quick answer!
The Ryzen 2600 would still BOINC, but without the video card, which is too slow for anything.

The 2 X Ryzen platform would be cheaper than the single Threadripper platform simply because of the higher costs of memory, cpu and motherboards for Threadripper

The Ryzen 2600 with the donated Geforce 8600 GT video card because if the system does no BOINC or gaming, it would be cheaper and provide a better overall computing platform.

Thanks for the quick answer!
The Ryzen 2600 would still BOINC, but without the video card, which is too slow for anything.

Ok, got that. Would this be a Linux or Windows OS? You would have 8-10 cores crunching cpu tasks with the rest doing desktop maintenance/housekeeping and still not be overcommitted on cpu_time. The Lunatics cpu apps being AVX are faster than the stock apps which are SSE3. The Linux apps from Lunatics are available as AVX or SSE41 or SSE42. I find the SSE41 to be faster than AVX on Ryzen because it seems to be better optimized for AMD than Intel.

You could put together a relatively cheap 2600 platform with a modest AM4 motherboard and some DDR4-3000Mhz memory. Ryzen performs best with the fastest memory because the internal data fabric runs at 1/2 memory speed. Depending on how much you want to spend, you could spring for faster 3200 memory but the pricing escalates dramatically when moving from 3000 to 3200. Stick with two stick kits and single sided memory for best compatibility and speed because that reduces the load on the cpu IMC.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

1) I ended up re-installing the OS after the Windows partition crashed.
2) Merged old and new Seti ids. So if you are trying to find the 2990WX, you have to start at my computer page again.
3) The cpu tasks were running between 40 minutes and an hour at 32 tasks.
4) The machine crashed twice when I raised it first to 64 task and then to 60 tasks. The second crash wiped out my app_config.xml file.
5) So I re-created the file with just the project_max directive.
6) The gpus are showing near full loads with 0.1 cpu and -nobs.
7) The threads will now run 64 or 60. I am running at 60 threads to see if I can "pull" all 60 at near an hour or not :)
I have not changed any other settings so apparently this is all at 3.9GHz. With DRAM set to "auto".
Wish me luck...

Tom

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A proud member of the OFA (Old Farts Association).

You are back to running stock apps? Letting the servers decide which app you get?

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

You are back to running stock apps? Letting the servers decide which app you get?

Nope. Still running CUDA91.

Since I manually set the DRAM speed to 2667 (the speed on the chip) I haven't had any system crashes for 60 threads.

I have been varying the project_max_concurrent trying to see how high I can get it beyond 32 threads and still get only slightly above 1 hour.
32 threads produces around 40 minutes to 1 hour. I haven't tried the "down core" since I got my new MB.

My 40 thread Intel box boosting at 3.3GHz seems to be running cpu tasks at 1.5 hours or maybe even 1.25 hours. I want to get to that speed while using a higher number of threads on my AMD.

So far 60 threads seems to cause "everything" to slow to more than 2 hours.

When I came home from work last night, the system was "dry" with no tasks and the scheduler said "next check 16 hours" but when I manually updated it promptly downloaded cpu and then gpu tasks.
I am currently running at 46 threads.

I really am going to have to go shopping for faster ram. I hope my current OC limit of 3.9GHz is a Dram speed limit.

I am looking for the highest RAC but want the lowest task processing time combination on the cpu. The gpus will pull me up to at least 80,000 RAC so it is up to the cpu tasks to pull/push me past the 108,000 RAC my Intel box peaked at before my attempt to OC the gpu's ran into trouble.

Tom

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A proud member of the OFA (Old Farts Association).

I am currently running at 46 threads.

I just looked at my pending results and the latest includes a whole cluster of near or below 1 hour results. When I read back further I start seeing 2+ hour results. So I expect 46 threads is generating the decrease in processing time.

Both sets of tasks are reporting just below 3.9GHz for the cpu processing speed.

Tom

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A proud member of the OFA (Old Farts Association).

Oh, I misunderstood your post about having to install the OS and the host would have a new ID and I had to look for it. So I looked in your hosts for a 2990WX and with very few WU and saw the Windows one and didn't notice the OS. I didn't realize you were dual booting it.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

Oh, I misunderstood your post about having to install the OS and the host would have a new ID and I had to look for it. So I looked in your hosts for a 2990WX and with very few WU and saw the Windows one and didn't notice the OS. I didn't realize you were dual booting it.

ah, was trying to dual boot it from a previously sucessful on the HD but I screwed something up and had to clear the HD and re-install. I was lucky in that I was able to retrieve most of the tasks, I think.

Tom

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A proud member of the OFA (Old Farts Association).

I have to run off to work but out of 46 threads it currently looks like I may have 14 come in at or under an hour and 14 come in at over 2 hours.

Huh? Oh well. More study is needed :)

I guess memory congestion is alive and clogged up :)

Tom

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A proud member of the OFA (Old Farts Association).

With Ryzen and TR, memory frequency is paramount since Infinity or Data Fabric clock speed is 1/2 memory frequency. The Data Fabric is the bus that allows communication between the individual CCX units. That is your core to core bus. So get the fastest memory that will run stably on your system. 4 sticks of memory for quad channel is harder for the IMC to handle compared to 2 sticks. So you are never going to get the same memory clocks stable as you can with just 2 sticks.

The goal it to get the highest frequency with the lowest latency stable. This will produce the highest memory bandwidth and the memory transfers. A lot of people running TR in the TR threads, the best results are for 3200 Mhz and CL14 memory. Problem is that to get sticks with CL14 or CL15 memory is that the manufacturers only make 8GB sticks with those chips, so you end up with 4 X 8GB of memory or 32 GB. I think the lowest latency 4GB sticks I have found are CL16. Using the B-die finder to choose any brand at 3200Mhz with 4 sticks and single sided, I came up with this list of choices.

CMD32GX4M4C3200C14C
CMD32GX4M4C3200C14M
CMD32GX4M4C3200C14T
F4-3200C14Q-32GFX
F4-3200C14Q-32GTZ
F4-3200C14Q-32GTZR
F4-3200C14Q-32GTZRX
F4-3200C14Q-32GTZSW
F4-3200C14Q-32GVK
F4-3200C14Q-32GVR
F4-3200C15Q-32GTZKY
F4-3200C15Q-32GTZSW
TXBD432G3200HC14BQC01

I went "window shopping" NewEgg and the prices were amazing :(

I did find some 4 GB cl 15@3000 https://www.newegg.com/Product/Product.aspx?Item=9SIAG7R7HG2605 but it looks like it is $400+ USD for nearly the entire list. This is beginning to feel like it is definitely a Christmas or maybe IRS Tax refund present :)

Tom

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A proud member of the OFA (Old Farts Association).

The water cooler shipping and product boxes were damaged by shipping. And now I am hearing suspicious "roller bearing like" noises so I have asked for an exchange. So the 299WX will be offline while I get that fixed.

I regret the time lost and my unsatisfied curiosity. If I don't run Boinc/Seti it is a quiet as you could ask for, but once I start up Seti it ramps up the noise to where it couldn't be slept with much less trusted while I am at work.

Tom

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A proud member of the OFA (Old Farts Association).

The water cooler shipping and product boxes were damaged by shipping. And now I am hearing suspicious "roller bearing like" noises so I have asked for an exchange. So the 299WX will be offline while I get that fixed.

I regret the time lost and my unsatisfied curiosity. If I don't run Boinc/Seti it is a quiet as you could ask for, but once I start up Seti it ramps up the noise to where it couldn't be slept with much less trusted while I am at work.

Tom

It sounds like you got the generation 1 version. Which I warned you about. Lots of defective returns for that generation due to excessive corrosion in the bearings and impeller. I suggested the Gen. 2 360mm version as the best choice. No issues with that version.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

It sounds like you got the generation 1 version. Which I warned you about. Lots of defective returns for that generation due to excessive corrosion in the bearings and impeller. I suggested the Gen. 2 360mm version as the best choice. No issues with that version.

Sigh, the 360 is radiator is 15.5" long according to the NewEgg spec page.
The 280 radiator is 12.3 " long. I don't think the length includes the fittings coming out of one end of either one

My current case is 14.5" in that location. :(

This is a perfect example of a preceding decision constricting the choices of the next decision. I had an incorrectly sized water cooler that we sized the chassis/case for before ordering the 280.
If I could do it over again I would get another case like the one my Intel is running in. If the next copy of the 280 craps out again very soon I probably will :(

The joys of DIY :)

Tom

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A proud member of the OFA (Old Farts Association).